84 entries under solid topic. ×

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allegiant(adjective, firm, stable, fixed)
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ardent(adjective, firm, stable, fixed)
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cool(adjective, firm, stable, fixed)
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imperturbable(adjective, calm, smooth, firm)
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intense(adjective, firm, stable, fixed)
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levelheaded(adjective, firm, stable, fixed)
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liege(adjective, firm, stable, fixed)
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loyal(adjective, firm, stable, fixed)
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never-failing(adjective, firm, substantial, stable)
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patterned(adjective, firm, ordinary, usual)
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reserved(adjective, firm, stable, fixed)
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sedate(adjective, firm, stable, fixed)
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self-possessed(adjective, firm, stable, fixed)
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sensible(adjective, firm, stable, fixed)
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serious-minded(adjective, firm, stable, fixed)
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settled(adjective, firm, stable, fixed)
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single-minded(adjective, firm, stable, fixed)
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sober(adjective, firm, stable, fixed)
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staid(adjective, firm, stable, fixed)
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unfaltering(adjective, firm, steady, stable)
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APASmart Define. (2016). uniform thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/uniform/thesaurus/synonyms
ChicagoSmart Define. 2016. "uniform thesaurus" https://smartdefine.org/uniform/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, uniform thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uniform/thesaurus/synonyms>.
MLASmart Define. "uniform thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/uniform/thesaurus/synonyms>